101220002001031 has 2 divisors, whose sum is σ = 101220002001032. Its totient is φ = 101220002001030.

The previous prime is 101220002001017. The next prime is 101220002001061. The reversal of 101220002001031 is 130100200022101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101220002001031 - 2⁴³ = 92423908978823 is a prime.

It is a super-2 number, since 2×101220002001031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101220002001061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610001000515 + 50610001000516.

It is an arithmetic number, because the mean of its divisors is an integer number (50610001000516).

Almost surely, 2^{101220002001031} is an apocalyptic number.

101220002001031 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220002001031 is an equidigital number, since it uses as much as digits as its factorization.

101220002001031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 101220002001031 its reverse (130100200022101), we get a palindrome (231320202023132).

The spelling of 101220002001031 in words is "one hundred one trillion, two hundred twenty billion, two million, one thousand, thirty-one".