101020212221001 has 16 divisors (see below), whose sum is σ = 138365793192000. Its totient is φ = 65511556774848.

The previous prime is 101020212220951. The next prime is 101020212221051. The reversal of 101020212221001 is 100122212020101.

It is an interprime number because it is at equal distance from previous prime (101020212220951) and next prime (101020212221051).

It is not a de Polignac number, because 101020212221001 - 2¹⁸ = 101020211958857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101020212221051) 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, 104149591 + ... + 105115068.

It is an arithmetic number, because the mean of its divisors is an integer number (8647862074500).

Almost surely, 2^{101020212221001} is an apocalyptic number.

It is an amenable number.

101020212221001 is a deficient number, since it is larger than the sum of its proper divisors (37345580970999).

101020212221001 is a wasteful number, since it uses less digits than its factorization.

101020212221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209269048.

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

Adding to 101020212221001 its reverse (100122212020101), we get a palindrome (201142424241102).

The spelling of 101020212221001 in words is "one hundred one trillion, twenty billion, two hundred twelve million, two hundred twenty-one thousand, one".