2101220012010 has 64 divisors (see below), whose sum is σ = 5949260734464. Its totient is φ = 464785992000.

The previous prime is 2101220011987. The next prime is 2101220012011. The reversal of 2101220012010 is 102100221012.

It is not an unprimeable number, because it can be changed into a prime (2101220012011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161377516 + ... + 161390535.

It is an arithmetic number, because the mean of its divisors is an integer number (92957198976).

Almost surely, 2^{2101220012010} is an apocalyptic number.

2101220012010 is an abundant number, since it is smaller than the sum of its proper divisors (3848040722454).

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

2101220012010 is a wasteful number, since it uses less digits than its factorization.

2101220012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322768099.

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

Adding to 2101220012010 its reverse (102100221012), we get a palindrome (2203320233022).

The spelling of 2101220012010 in words is "two trillion, one hundred one billion, two hundred twenty million, twelve thousand, ten".