101221010122 has 8 divisors (see below), whose sum is σ = 160762780836. Its totient is φ = 47633416512.

The previous prime is 101221010113. The next prime is 101221010147. The reversal of 101221010122 is 221010122101.

It can be written as a sum of positive squares in 2 ways, for example, as 80554360041 + 20666650081 = 283821^2 + 143759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488544233 + ... + 1488544300.

Almost surely, 2^101221010122 is an apocalyptic number.

101221010122 is a deficient number, since it is larger than the sum of its proper divisors (59541770714).

101221010122 is a wasteful number, since it uses less digits than its factorization.

101221010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977088552.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101221010122 its reverse (221010122101), we get a palindrome (322231132223).

It can be divided in two parts, 101 and 221010122, that multiplied together give a palindrome (22322022322).

The spelling of 101221010122 in words is "one hundred one billion, two hundred twenty-one million, ten thousand, one hundred twenty-two".