1021222101102 has 64 divisors (see below), whose sum is σ = 2357541863424. Its totient is φ = 288866239200.

The previous prime is 1021222101073. The next prime is 1021222101157. The reversal of 1021222101102 is 2011012221201.

1021222101102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1021222101102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7042227 + ... + 7185777.

It is an arithmetic number, because the mean of its divisors is an integer number (36836591616).

Almost surely, 2^{1021222101102} is an apocalyptic number.

1021222101102 is an abundant number, since it is smaller than the sum of its proper divisors (1336319762322).

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

1021222101102 is a wasteful number, since it uses less digits than its factorization.

1021222101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145253.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021222101102 its reverse (2011012221201), we get a palindrome (3032234322303).

The spelling of 1021222101102 in words is "one trillion, twenty-one billion, two hundred twenty-two million, one hundred one thousand, one hundred two".