1210101202102 has 16 divisors (see below), whose sum is σ = 1954799722512. Its totient is φ = 558502287840.

The previous prime is 1210101202099. The next prime is 1210101202213. The reversal of 1210101202102 is 2012021010121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3074028 + ... + 3445264.

It is an arithmetic number, because the mean of its divisors is an integer number (122174982657).

Almost surely, 2^{1210101202102} is an apocalyptic number.

1210101202102 is a deficient number, since it is larger than the sum of its proper divisors (744698520410).

1210101202102 is a wasteful number, since it uses less digits than its factorization.

1210101202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496623.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1210101202102 its reverse (2012021010121), we get a palindrome (3222122212223).

The spelling of 1210101202102 in words is "one trillion, two hundred ten billion, one hundred one million, two hundred two thousand, one hundred two".