2121100022210 has 128 divisors (see below), whose sum is σ = 4177472624640. Its totient is φ = 770769063936.

The previous prime is 2121100022207. The next prime is 2121100022227. The reversal of 2121100022210 is 122200011212.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1353604847 + ... + 1353606413.

It is an arithmetic number, because the mean of its divisors is an integer number (32636504880).

Almost surely, 2^{2121100022210} is an apocalyptic number.

2121100022210 is a deficient number, since it is larger than the sum of its proper divisors (2056372602430).

2121100022210 is a wasteful number, since it uses less digits than its factorization.

2121100022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332.

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

Adding to 2121100022210 its reverse (122200011212), we get a palindrome (2243300033422).

The spelling of 2121100022210 in words is "two trillion, one hundred twenty-one billion, one hundred million, twenty-two thousand, two hundred ten".