1121201022090 has 64 divisors (see below), whose sum is σ = 2930180572800. Its totient is φ = 273483512064.

The previous prime is 1121201022089. The next prime is 1121201022101. The reversal of 1121201022090 is 902201021211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33897597 + ... + 33930656.

It is an arithmetic number, because the mean of its divisors is an integer number (45784071450).

Almost surely, 2^{1121201022090} is an apocalyptic number.

1121201022090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121201022090 is an abundant number, since it is smaller than the sum of its proper divisors (1808979550710).

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

1121201022090 is a wasteful number, since it uses less digits than its factorization.

1121201022090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67828311.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 1121201022090 in words is "one trillion, one hundred twenty-one billion, two hundred one million, twenty-two thousand, ninety".