1020120222102 has 16 divisors (see below), whose sum is σ = 2040590649792. Its totient is φ = 339981706440.

The previous prime is 1020120222073. The next prime is 1020120222103. The reversal of 1020120222102 is 2012220210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020120222103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14554024 + ... + 14623947.

It is an arithmetic number, because the mean of its divisors is an integer number (127536915612).

Almost surely, 2^{1020120222102} is an apocalyptic number.

1020120222102 is an abundant number, since it is smaller than the sum of its proper divisors (1020470427690).

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

1020120222102 is a wasteful number, since it uses less digits than its factorization.

1020120222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29183803.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1020120222102 its reverse (2012220210201), we get a palindrome (3032340432303).

The spelling of 1020120222102 in words is "one trillion, twenty billion, one hundred twenty million, two hundred twenty-two thousand, one hundred two".