1021102112031 has 8 divisors (see below), whose sum is σ = 1369339249200. Its totient is φ = 676799858112.

The previous prime is 1021102111973. The next prime is 1021102112059. The reversal of 1021102112031 is 1302112011201.

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

It is not a de Polignac number, because 1021102112031 - 2²² = 1021097917727 is a prime.

It is a super-2 number, since 2×1021102112031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021102112031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021102117031) 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, 983720206 + ... + 983721243.

It is an arithmetic number, because the mean of its divisors is an integer number (171167406150).

Almost surely, 2^{1021102112031} is an apocalyptic number.

1021102112031 is a deficient number, since it is larger than the sum of its proper divisors (348237137169).

1021102112031 is a wasteful number, since it uses less digits than its factorization.

1021102112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967441625.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1021102112031 its reverse (1302112011201), we get a palindrome (2323214123232).

The spelling of 1021102112031 in words is "one trillion, twenty-one billion, one hundred two million, one hundred twelve thousand, thirty-one".