10211210121102 has 32 divisors (see below), whose sum is σ = 20572313146272. Its totient is φ = 3378756547584.

The previous prime is 10211210121083. The next prime is 10211210121121. The reversal of 10211210121102 is 20112101211201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10211210121083) and next prime (10211210121121).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21429798 + ... + 21901110.

It is an arithmetic number, because the mean of its divisors is an integer number (642884785821).

Almost surely, 2^{10211210121102} is an apocalyptic number.

10211210121102 is an abundant number, since it is smaller than the sum of its proper divisors (10361103025170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10211210121102 is a wasteful number, since it uses less digits than its factorization.

10211210121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497812.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10211210121102 its reverse (20112101211201), we get a palindrome (30323311332303).

The spelling of 10211210121102 in words is "ten trillion, two hundred eleven billion, two hundred ten million, one hundred twenty-one thousand, one hundred two".