10001220212102 has 32 divisors (see below), whose sum is σ = 17734960005120. Its totient is φ = 4139311782240.

The previous prime is 10001220212099. The next prime is 10001220212153. The reversal of 10001220212102 is 20121202210001.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 23846693 + ... + 24262464.

It is an arithmetic number, because the mean of its divisors is an integer number (554217500160).

Almost surely, 2^{10001220212102} is an apocalyptic number.

10001220212102 is a deficient number, since it is larger than the sum of its proper divisors (7733739793018).

10001220212102 is a wasteful number, since it uses less digits than its factorization.

10001220212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48109676.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10001220212102 its reverse (20121202210001), we get a palindrome (30122422422103).

The spelling of 10001220212102 in words is "ten trillion, one billion, two hundred twenty million, two hundred twelve thousand, one hundred two".