2122103121000 has 64 divisors (see below), whose sum is σ = 6620961746880. Its totient is φ = 565894164800.

The previous prime is 2122103120989. The next prime is 2122103121029. The reversal of 2122103121000 is 1213012212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353680854 + ... + 353686853.

It is an arithmetic number, because the mean of its divisors is an integer number (103452527295).

Almost surely, 2^{2122103121000} is an apocalyptic number.

2122103121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122103121000 is an abundant number, since it is smaller than the sum of its proper divisors (4498858625880).

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

2122103121000 is a wasteful number, since it uses less digits than its factorization.

2122103121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707367731 (or 707367717 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2122103121000 its reverse (1213012212), we get a palindrome (2123316133212).

The spelling of 2122103121000 in words is "two trillion, one hundred twenty-two billion, one hundred three million, one hundred twenty-one thousand".