101221002101022 has 32 divisors (see below), whose sum is σ = 208997538699264. Its totient is φ = 32648006901600.

The previous prime is 101221002101017. The next prime is 101221002101027. The reversal of 101221002101022 is 220101200122101.

It is an interprime number because it is at equal distance from previous prime (101221002101017) and next prime (101221002101027).

It is a junction number, because it is equal to n+sod(n) for n = 101221002100992 and 101221002101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221002101027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31193833 + ... + 34285524.

It is an arithmetic number, because the mean of its divisors is an integer number (6531173084352).

Almost surely, 2^{101221002101022} is an apocalyptic number.

101221002101022 is an abundant number, since it is smaller than the sum of its proper divisors (107776536598242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101221002101022 is a wasteful number, since it uses less digits than its factorization.

101221002101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65487704.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101221002101022 its reverse (220101200122101), we get a palindrome (321322202223123).

The spelling of 101221002101022 in words is "one hundred one trillion, two hundred twenty-one billion, two million, one hundred one thousand, twenty-two".