101210201001021 has 8 divisors (see below), whose sum is σ = 154225068192064. Its totient is φ = 57834400572000.

The previous prime is 101210201000999. The next prime is 101210201001127. The reversal of 101210201001021 is 120100102012101.

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

It is not a de Polignac number, because 101210201001021 - 2⁷ = 101210201000893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101210201000988 and 101210201001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210201000021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409766690480 + ... + 2409766690521.

It is an arithmetic number, because the mean of its divisors is an integer number (19278133524008).

Almost surely, 2^{101210201001021} is an apocalyptic number.

It is an amenable number.

101210201001021 is a deficient number, since it is larger than the sum of its proper divisors (53014867191043).

101210201001021 is an equidigital number, since it uses as much as digits as its factorization.

101210201001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819533381011.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101210201001021 its reverse (120100102012101), we get a palindrome (221310303013122).

The spelling of 101210201001021 in words is "one hundred one trillion, two hundred ten billion, two hundred one million, one thousand, twenty-one".