1021210211102 has 16 divisors (see below), whose sum is σ = 1558529034432. Its totient is φ = 501752154240.

The previous prime is 1021210211069. The next prime is 1021210211171. The reversal of 1021210211102 is 2011120121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12865583 + ... + 12944714.

It is an arithmetic number, because the mean of its divisors is an integer number (97408064652).

Almost surely, 2^{1021210211102} is an apocalyptic number.

1021210211102 is a deficient number, since it is larger than the sum of its proper divisors (537318823330).

1021210211102 is a wasteful number, since it uses less digits than its factorization.

1021210211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25810643.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021210211102 its reverse (2011120121201), we get a palindrome (3032330332303).

The spelling of 1021210211102 in words is "one trillion, twenty-one billion, two hundred ten million, two hundred eleven thousand, one hundred two".