221012101121002 has 16 divisors (see below), whose sum is σ = 336240424121472. Its totient is φ = 108932450513040.

The previous prime is 221012101120991. The next prime is 221012101121039. The reversal of 221012101121002 is 200121101210122.

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, 121787553 + ... + 123588964.

It is an arithmetic number, because the mean of its divisors is an integer number (21015026507592).

Almost surely, 2^{221012101121002} is an apocalyptic number.

221012101121002 is a deficient number, since it is larger than the sum of its proper divisors (115228323000470).

221012101121002 is a wasteful number, since it uses less digits than its factorization.

221012101121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245382933.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221012101121002 its reverse (200121101210122), we get a palindrome (421133202331124).

The spelling of 221012101121002 in words is "two hundred twenty-one trillion, twelve billion, one hundred one million, one hundred twenty-one thousand, two".