2121010222102 has 8 divisors (see below), whose sum is σ = 3249207148896. Its totient is φ = 1037941172472.

The previous prime is 2121010222087. The next prime is 2121010222103. The reversal of 2121010222102 is 2012220101212.

It is a happy number.

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

It is a super-2 number, since 2×2121010222102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121010222103) 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, 11281969173 + ... + 11281969360.

It is an arithmetic number, because the mean of its divisors is an integer number (406150893612).

Almost surely, 2^{2121010222102} is an apocalyptic number.

2121010222102 is a deficient number, since it is larger than the sum of its proper divisors (1128196926794).

2121010222102 is a wasteful number, since it uses less digits than its factorization.

2121010222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22563938582.

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

Adding to 2121010222102 its reverse (2012220101212), we get a palindrome (4133230323314).

The spelling of 2121010222102 in words is "two trillion, one hundred twenty-one billion, ten million, two hundred twenty-two thousand, one hundred two".