10211111022102 has 32 divisors (see below), whose sum is σ = 20788451504640. Its totient is φ = 3343171972800.

The previous prime is 10211111022011. The next prime is 10211111022109. The reversal of 10211111022102 is 20122011111201.

It is a happy number.

It is a super-2 number, since 2×10211111022102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211111022109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63237018 + ... + 63398285.

It is an arithmetic number, because the mean of its divisors is an integer number (649639109520).

Almost surely, 2^{10211111022102} is an apocalyptic number.

10211111022102 is an abundant number, since it is smaller than the sum of its proper divisors (10577340482538).

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

10211111022102 is a wasteful number, since it uses less digits than its factorization.

10211111022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126635548.

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

Adding to 10211111022102 its reverse (20122011111201), we get a palindrome (30333122133303).

The spelling of 10211111022102 in words is "ten trillion, two hundred eleven billion, one hundred eleven million, twenty-two thousand, one hundred two".