200101121021000 has 32 divisors (see below), whose sum is σ = 468236623191480. Its totient is φ = 80040448408000.

The previous prime is 200101121020991. The next prime is 200101121021023. The reversal of 200101121021000 is 120121101002.

It can be written as a sum of positive squares in 4 ways, for example, as 8550372506404 + 191550748514596 = 2924102^2 + 13840186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100050559511 + ... + 100050561510.

Almost surely, 2^{200101121021000} is an apocalyptic number.

200101121021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200101121021000 is an abundant number, since it is smaller than the sum of its proper divisors (268135502170480).

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

200101121021000 is a wasteful number, since it uses less digits than its factorization.

200101121021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200101121042 (or 200101121028 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200101121021000 its reverse (120121101002), we get a palindrome (200221242122002).

The spelling of 200101121021000 in words is "two hundred trillion, one hundred one billion, one hundred twenty-one million, twenty-one thousand".