1022011111121 has 32 divisors (see below), whose sum is σ = 1380142810368. Its totient is φ = 730863555840.

The previous prime is 1022011111109. The next prime is 1022011111133. The reversal of 1022011111121 is 1211111102201.

It is an interprime number because it is at equal distance from previous prime (1022011111109) and next prime (1022011111133).

It is not a de Polignac number, because 1022011111121 - 2⁶ = 1022011111057 is a prime.

It is a super-2 number, since 2×1022011111121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022011111096 and 1022011111105.

It is not an unprimeable number, because it can be changed into a prime (1022011111181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2777666 + ... + 3124011.

It is an arithmetic number, because the mean of its divisors is an integer number (43129462824).

Almost surely, 2^{1022011111121} is an apocalyptic number.

1022011111121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022011111121 is a deficient number, since it is larger than the sum of its proper divisors (358131699247).

1022011111121 is a wasteful number, since it uses less digits than its factorization.

1022011111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901881.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1022011111121 its reverse (1211111102201), we get a palindrome (2233122213322).

The spelling of 1022011111121 in words is "one trillion, twenty-two billion, eleven million, one hundred eleven thousand, one hundred twenty-one".