1000021120022 has 16 divisors (see below), whose sum is σ = 1588360188240. Its totient is φ = 470571107328.

The previous prime is 1000021120019. The next prime is 1000021120027. The reversal of 1000021120022 is 2200211200001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000021119985 and 1000021120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000021120027) 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, 239708 + ... + 1434399.

It is an arithmetic number, because the mean of its divisors is an integer number (99272511765).

Almost surely, 2^{1000021120022} is an apocalyptic number.

1000021120022 is a deficient number, since it is larger than the sum of its proper divisors (588339068218).

1000021120022 is a wasteful number, since it uses less digits than its factorization.

1000021120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691695.

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

Adding to 1000021120022 its reverse (2200211200001), we get a palindrome (3200232320023).

The spelling of 1000021120022 in words is "one trillion, twenty-one million, one hundred twenty thousand, twenty-two".