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102010101112021 = 212977783616003
BaseRepresentation
bin10111001100011100010011…
…110101110001110011010101
3111101012001220100012000222211
4113030130103311301303111
5101332313141341041041
61000542443221353421
730325662254525434
oct2714342365616325
9441161810160884
10102010101112021
112a55a271752a23
12b5362a8568871
1344bc68530a47b
141b2945b02511b
15bbd7b447e481
hex5cc713d71cd5

102010101112021 has 8 divisors (see below), whose sum is σ = 102059493439680. Its totient is φ = 101960710176192.

The previous prime is 102010101111923. The next prime is 102010101112027. The reversal of 102010101112021 is 120211101010201.

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 102010101112021 - 221 = 102010099014869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102010101111992 and 102010101112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010101112027) 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, 165292006 + ... + 165908008.

It is an arithmetic number, because the mean of its divisors is an integer number (12757436679960).

Almost surely, 2102010101112021 is an apocalyptic number.

It is an amenable number.

102010101112021 is a deficient number, since it is larger than the sum of its proper divisors (49392327659).

102010101112021 is an equidigital number, since it uses as much as digits as its factorization.

102010101112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695915.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102010101112021 its reverse (120211101010201), we get a palindrome (222221202122222).

The spelling of 102010101112021 in words is "one hundred two trillion, ten billion, one hundred one million, one hundred twelve thousand, twenty-one".

Divisors: 1 2129 77783 616003 165600007 1311470387 47914561349 102010101112021