1012221000102 has 32 divisors (see below), whose sum is σ = 2180537388288. Its totient is φ = 311399889696.

The previous prime is 1012221000047. The next prime is 1012221000127. The reversal of 1012221000102 is 2010001222101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633498 + ... + 1557485.

It is an arithmetic number, because the mean of its divisors is an integer number (68141793384).

Almost surely, 2^{1012221000102} is an apocalyptic number.

1012221000102 is an abundant number, since it is smaller than the sum of its proper divisors (1168316388186).

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

1012221000102 is a wasteful number, since it uses less digits than its factorization.

1012221000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196924.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012221000102 its reverse (2010001222101), we get a palindrome (3022222222203).

The spelling of 1012221000102 in words is "one trillion, twelve billion, two hundred twenty-one million, one hundred two", and thus it is an aban number.