22002121023140 has 24 divisors (see below), whose sum is σ = 46220337548280. Its totient is φ = 8797822999808.

The previous prime is 22002121023133. The next prime is 22002121023241. The reversal of 22002121023140 is 4132012120022.

It can be written as a sum of positive squares in 4 ways, for example, as 10743291068416 + 11258829954724 = 3277696^2 + 3355418^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 189028457 + ... + 189144816.

It is an arithmetic number, because the mean of its divisors is an integer number (1925847397845).

Almost surely, 2^{22002121023140} is an apocalyptic number.

22002121023140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002121023140 is an abundant number, since it is smaller than the sum of its proper divisors (24218216525140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002121023140 is a wasteful number, since it uses less digits than its factorization.

22002121023140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378176191 (or 378176189 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22002121023140 its reverse (4132012120022), we get a palindrome (26134133143162).

The spelling of 22002121023140 in words is "twenty-two trillion, two billion, one hundred twenty-one million, twenty-three thousand, one hundred forty".