2102120122002 has 64 divisors (see below), whose sum is σ = 4491913190400. Its totient is φ = 653884781760.

The previous prime is 2102120121917. The next prime is 2102120122079. The reversal of 2102120122002 is 2002210212012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8859153 + ... + 9093339.

It is an arithmetic number, because the mean of its divisors is an integer number (70186143600).

Almost surely, 2^{2102120122002} is an apocalyptic number.

2102120122002 is an abundant number, since it is smaller than the sum of its proper divisors (2389793068398).

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

2102120122002 is a wasteful number, since it uses less digits than its factorization.

2102120122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235391.

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

Adding to 2102120122002 its reverse (2002210212012), we get a palindrome (4104330334014).

It can be divided in two parts, 210212012 and 2002, that multiplied together give a palindrome (420844448024).

The spelling of 2102120122002 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred twenty-two thousand, two".