102002010222021 has 32 divisors (see below), whose sum is σ = 167394380955648. Its totient is φ = 53801179542720.

The previous prime is 102002010222011. The next prime is 102002010222041. The reversal of 102002010222021 is 120222010200201.

It is not a de Polignac number, because 102002010222021 - 2¹⁸ = 102002009959877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002010222011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125221 + ... + 14283546.

It is an arithmetic number, because the mean of its divisors is an integer number (5231074404864).

Almost surely, 2^{102002010222021} is an apocalyptic number.

It is an amenable number.

102002010222021 is a deficient number, since it is larger than the sum of its proper divisors (65392370733627).

102002010222021 is a wasteful number, since it uses less digits than its factorization.

102002010222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14434721.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102002010222021 its reverse (120222010200201), we get a palindrome (222224020422222).

The spelling of 102002010222021 in words is "one hundred two trillion, two billion, ten million, two hundred twenty-two thousand, twenty-one".