1021112122102 has 8 divisors (see below), whose sum is σ = 1532013089112. Its totient is φ = 510441092400.

The previous prime is 1021112122081. The next prime is 1021112122109. The reversal of 1021112122102 is 2012212111201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021112122109) 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, 57473224 + ... + 57490987.

It is an arithmetic number, because the mean of its divisors is an integer number (191501636139).

Almost surely, 2^{1021112122102} is an apocalyptic number.

1021112122102 is a deficient number, since it is larger than the sum of its proper divisors (510900967010).

1021112122102 is a wasteful number, since it uses less digits than its factorization.

1021112122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114968654.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1021112122102 its reverse (2012212111201), we get a palindrome (3033324233303).

The spelling of 1021112122102 in words is "one trillion, twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred two".