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1020221142102 = 2356379329083
BaseRepresentation
bin11101101100010011110…
…10110011010001010110
310121112100222001212200000
432312021322303101112
5113203403103021402
62100403315432130
7133465013424051
oct16661172632126
93545328055600
101020221142102
11363745268288
12145885bb5646
137528b720996
1437543c55a98
151b811b15c1c
hexed89eb3456

1020221142102 has 48 divisors (see below), whose sum is σ = 2292715064640. Its totient is φ = 340019369352.

The previous prime is 1020221142071. The next prime is 1020221142163. The reversal of 1020221142102 is 2012411220201.

1020221142102 is a `hidden beast` number, since 1 + 0 + 20 + 221 + 1 + 421 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2935653 + ... + 3264735.

It is an arithmetic number, because the mean of its divisors is an integer number (47764897180).

Almost surely, 21020221142102 is an apocalyptic number.

1020221142102 is an abundant number, since it is smaller than the sum of its proper divisors (1272493922538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020221142102 is an equidigital number, since it uses as much as digits as its factorization.

1020221142102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335479 (or 335467 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1020221142102 its reverse (2012411220201), we get a palindrome (3032632362303).

The spelling of 1020221142102 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred forty-two thousand, one hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 6379 12758 19137 38274 57411 114822 172233 329083 344466 516699 658166 987249 1033398 1550097 1974498 2961747 3100194 5923494 8885241 17770482 26655723 53311446 79967169 159934338 2099220457 4198440914 6297661371 12595322742 18892984113 37785968226 56678952339 113357904678 170036857017 340073714034 510110571051 1020221142102