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2202112010021 = 721131605321773
BaseRepresentation
bin100000000010111000000…
…110101010011100100101
321210112000222020202112212
4200002320012222130211
5242034411133310041
64403345234453205
7315045250146500
oct40027006523445
97715028222485
102202112010021
11779a01903410
122b694aa34205
1312c8732b7b01
1478823266137
153c436a8c8eb
hex200b81aa725

2202112010021 has 48 divisors (see below), whose sum is σ = 2885271694848. Its totient is φ = 1660228214400.

The previous prime is 2202112009973. The next prime is 2202112010093. The reversal of 2202112010021 is 1200102112022.

It is not a de Polignac number, because 2202112010021 - 218 = 2202111747877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202112009978 and 2202112010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202112010521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101128691 + ... + 101150463.

It is an arithmetic number, because the mean of its divisors is an integer number (60109826976).

Almost surely, 22202112010021 is an apocalyptic number.

It is an amenable number.

2202112010021 is a deficient number, since it is larger than the sum of its proper divisors (683159684827).

2202112010021 is a wasteful number, since it uses less digits than its factorization.

2202112010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27882 (or 27875 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2202112010021 its reverse (1200102112022), we get a palindrome (3402214122043).

The spelling of 2202112010021 in words is "two trillion, two hundred two billion, one hundred twelve million, ten thousand, twenty-one".

Divisors: 1 7 11 31 49 77 217 341 539 1519 2387 6053 16709 21773 42371 66583 152411 187643 239503 296597 466081 674963 1066877 1313501 1676521 2064073 3262567 4724741 7424593 9194507 11735647 14448511 33073187 51972151 101139577 131791969 363805057 922543783 1449711659 4085551039 6457806481 10147981613 28598857273 44941061429 71035871291 200192000911 314587430003 2202112010021