1022100020122 has 8 divisors (see below), whose sum is σ = 1534047138900. Its totient is φ = 510750973824.

The previous prime is 1022100020111. The next prime is 1022100020129. The reversal of 1022100020122 is 2210200012201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 895163869161 + 126936150961 = 946131^2 + 356281^2 .

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

It is a super-2 number, since 2×1022100020122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022100020129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149513847 + ... + 149520682.

Almost surely, 2^{1022100020122} is an apocalyptic number.

1022100020122 is a deficient number, since it is larger than the sum of its proper divisors (511947118778).

1022100020122 is a wasteful number, since it uses less digits than its factorization.

1022100020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299036240.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1022100020122 its reverse (2210200012201), we get a palindrome (3232300032323).

The spelling of 1022100020122 in words is "one trillion, twenty-two billion, one hundred million, twenty thousand, one hundred twenty-two".