1020012100022 has 16 divisors (see below), whose sum is σ = 1620105503472. Its totient is φ = 479980128000.

The previous prime is 1020012100021. The next prime is 1020012100031. The reversal of 1020012100022 is 2200012100201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020012099976 and 1020012100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020012100021) 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, 143408 + ... + 1435475.

It is an arithmetic number, because the mean of its divisors is an integer number (101256593967).

Almost surely, 2^{1020012100022} is an apocalyptic number.

1020012100022 is a deficient number, since it is larger than the sum of its proper divisors (600093403450).

1020012100022 is a wasteful number, since it uses less digits than its factorization.

1020012100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597903.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020012100022 its reverse (2200012100201), we get a palindrome (3220024200223).

The spelling of 1020012100022 in words is "one trillion, twenty billion, twelve million, one hundred thousand, twenty-two".