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1022102212021 = 11413322482067
BaseRepresentation
bin11101101111110100000…
…10100000110110110101
310121201020001122010111021
432313322002200312311
5113221231131241041
62101314113341141
7133562434311652
oct16677202406665
93551201563437
101022102212021
11364520063a20
1214610bb677b1
13754cb3570c7
14376819d2c29
151b8c1d34cd1
hexedfa0a0db5

1022102212021 has 8 divisors (see below), whose sum is σ = 1115290429344. Its totient is φ = 928958967120.

The previous prime is 1022102211967. The next prime is 1022102212031. The reversal of 1022102212021 is 1202122012201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022102212021 - 29 = 1022102211509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022102211986 and 1022102212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022102212031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11195571 + ... + 11286496.

It is an arithmetic number, because the mean of its divisors is an integer number (139411303668).

Almost surely, 21022102212021 is an apocalyptic number.

1022102212021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022102212021 is a deficient number, since it is larger than the sum of its proper divisors (93188217323).

1022102212021 is a wasteful number, since it uses less digits than its factorization.

1022102212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22486211.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022102212021 its reverse (1202122012201), we get a palindrome (2224224224222).

The spelling of 1022102212021 in words is "one trillion, twenty-two billion, one hundred two million, two hundred twelve thousand, twenty-one".

Divisors: 1 11 4133 45463 22482067 247302737 92918382911 1022102212021