102010002022021 has 4 divisors (see below), whose sum is σ = 103738985107200. Its totient is φ = 100281018936844.

The previous prime is 102010002022007. The next prime is 102010002022057. The reversal of 102010002022021 is 120220200010201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102010002022021 - 2⁹ = 102010002021509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102010002021992 and 102010002022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010002022421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864491542501 + ... + 864491542618.

It is an arithmetic number, because the mean of its divisors is an integer number (25934746276800).

Almost surely, 2^{102010002022021} is an apocalyptic number.

It is an amenable number.

102010002022021 is a deficient number, since it is larger than the sum of its proper divisors (1728983085179).

102010002022021 is an equidigital number, since it uses as much as digits as its factorization.

102010002022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728983085178.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102010002022021 its reverse (120220200010201), we get a palindrome (222230202032222).

The spelling of 102010002022021 in words is "one hundred two trillion, ten billion, two million, twenty-two thousand, twenty-one".