1022121102111 has 8 divisors (see below), whose sum is σ = 1366872137904. Its totient is φ = 679392067200.

The previous prime is 1022121102103. The next prime is 1022121102193. The reversal of 1022121102111 is 1112011212201.

It is a happy number.

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

It is not a de Polignac number, because 1022121102111 - 2³ = 1022121102103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022121100111) 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, 505499040 + ... + 505501061.

It is an arithmetic number, because the mean of its divisors is an integer number (170859017238).

Almost surely, 2^{1022121102111} is an apocalyptic number.

1022121102111 is a deficient number, since it is larger than the sum of its proper divisors (344751035793).

1022121102111 is a wasteful number, since it uses less digits than its factorization.

1022121102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011000441.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1022121102111 its reverse (1112011212201), we get a palindrome (2134132314312).

The spelling of 1022121102111 in words is "one trillion, twenty-two billion, one hundred twenty-one million, one hundred two thousand, one hundred eleven".