2101212002102 has 32 divisors (see below), whose sum is σ = 3418938784800. Its totient is φ = 964596971520.

The previous prime is 2101212002089. The next prime is 2101212002107. The reversal of 2101212002102 is 2012002121012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101212002107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15919274 + ... + 16050722.

It is an arithmetic number, because the mean of its divisors is an integer number (106841837025).

Almost surely, 2^{2101212002102} is an apocalyptic number.

2101212002102 is a deficient number, since it is larger than the sum of its proper divisors (1317726782698).

2101212002102 is a wasteful number, since it uses less digits than its factorization.

2101212002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142976.

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

Adding to 2101212002102 its reverse (2012002121012), we get a palindrome (4113214123114).

The spelling of 2101212002102 in words is "two trillion, one hundred one billion, two hundred twelve million, two thousand, one hundred two".