1031022212121 has 48 divisors (see below), whose sum is σ = 1662647500800. Its totient is φ = 610248008160.

The previous prime is 1031022212119. The next prime is 1031022212161. The reversal of 1031022212121 is 1212122201301.

1031022212121 is a `hidden beast` number, since 1 + 0 + 310 + 22 + 212 + 121 = 666.

It is not a de Polignac number, because 1031022212121 - 2¹ = 1031022212119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1031022212094 and 1031022212103.

It is not an unprimeable number, because it can be changed into a prime (1031022212161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48514920 + ... + 48536166.

It is an arithmetic number, because the mean of its divisors is an integer number (34638489600).

Almost surely, 2^{1031022212121} is an apocalyptic number.

1031022212121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1031022212121 is a deficient number, since it is larger than the sum of its proper divisors (631625288679).

1031022212121 is a wasteful number, since it uses less digits than its factorization.

1031022212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32706 (or 32703 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1031022212121 its reverse (1212122201301), we get a palindrome (2243144413422).

The spelling of 1031022212121 in words is "one trillion, thirty-one billion, twenty-two million, two hundred twelve thousand, one hundred twenty-one".