1102142222021 has 16 divisors (see below), whose sum is σ = 1174625194176. Its totient is φ = 1030511828736.

The previous prime is 1102142221981. The next prime is 1102142222033. The reversal of 1102142222021 is 1202222412011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1102142222021 - 2²⁶ = 1102075113157 is a prime.

It is a super-2 number, since 2×1102142222021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102142221984 and 1102142222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102142222221) 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 15 ways as a sum of consecutive naturals, for example, 15516830 + ... + 15587696.

It is an arithmetic number, because the mean of its divisors is an integer number (73414074636).

Almost surely, 2^{1102142222021} is an apocalyptic number.

It is an amenable number.

1102142222021 is a deficient number, since it is larger than the sum of its proper divisors (72482972155).

1102142222021 is a wasteful number, since it uses less digits than its factorization.

1102142222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76868.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1102142222021 its reverse (1202222412011), we get a palindrome (2304364634032).

The spelling of 1102142222021 in words is "one trillion, one hundred two billion, one hundred forty-two million, two hundred twenty-two thousand, twenty-one".