101202010221221 has 32 divisors (see below), whose sum is σ = 127469448691200. Its totient is φ = 78219887880960.

The previous prime is 101202010221203. The next prime is 101202010221283. The reversal of 101202010221221 is 122122010202101.

It is not a de Polignac number, because 101202010221221 - 2³⁴ = 101184830352037 is a prime.

It is a super-2 number, since 2×101202010221221² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101202010221221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202010227221) 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, 71146766 + ... + 72555263.

It is an arithmetic number, because the mean of its divisors is an integer number (3983420271600).

Almost surely, 2^{101202010221221} is an apocalyptic number.

It is an amenable number.

101202010221221 is a deficient number, since it is larger than the sum of its proper divisors (26267438469979).

101202010221221 is a wasteful number, since it uses less digits than its factorization.

101202010221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143702229.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101202010221221 its reverse (122122010202101), we get a palindrome (223324020423322).

The spelling of 101202010221221 in words is "one hundred one trillion, two hundred two billion, ten million, two hundred twenty-one thousand, two hundred twenty-one".