101221201021022 has 8 divisors (see below), whose sum is σ = 153175445793216. Its totient is φ = 50162719089952.

The previous prime is 101221201021021. The next prime is 101221201021063. The reversal of 101221201021022 is 220120102122101.

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

It is a super-2 number, since 2×101221201021022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221201021021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223940709998 + ... + 223940710449.

It is an arithmetic number, because the mean of its divisors is an integer number (19146930724152).

Almost surely, 2^{101221201021022} is an apocalyptic number.

101221201021022 is a deficient number, since it is larger than the sum of its proper divisors (51954244772194).

101221201021022 is a wasteful number, since it uses less digits than its factorization.

101221201021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447881420562.

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

Adding to 101221201021022 its reverse (220120102122101), we get a palindrome (321341303143123).

The spelling of 101221201021022 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred one million, twenty-one thousand, twenty-two".