201202111021000 has 64 divisors (see below), whose sum is σ = 470815083648000. Its totient is φ = 80480477937600.

The previous prime is 201202111020997. The next prime is 201202111021003. The reversal of 201202111021000 is 120111202102.

It is an interprime number because it is at equal distance from previous prime (201202111020997) and next prime (201202111021003).

It is not an unprimeable number, because it can be changed into a prime (201202111021003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364843471 + ... + 365394529.

It is an arithmetic number, because the mean of its divisors is an integer number (7356485682000).

Almost surely, 2^{201202111021000} is an apocalyptic number.

201202111021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201202111021000 is an abundant number, since it is smaller than the sum of its proper divisors (269612972627000).

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

201202111021000 is a wasteful number, since it uses less digits than its factorization.

201202111021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916199 (or 916185 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201202111021000 its reverse (120111202102), we get a palindrome (201322222223102).

The spelling of 201202111021000 in words is "two hundred one trillion, two hundred two billion, one hundred eleven million, twenty-one thousand".