200102122111020 has 48 divisors (see below), whose sum is σ = 575428805212128. Its totient is φ = 51918388439040.

The previous prime is 200102122111007. The next prime is 200102122111091. The reversal of 200102122111020 is 20111221201002.

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, 45068043301 + ... + 45068047740.

It is an arithmetic number, because the mean of its divisors is an integer number (11988100108586).

Almost surely, 2^{200102122111020} is an apocalyptic number.

200102122111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200102122111020 is an abundant number, since it is smaller than the sum of its proper divisors (375326683101108).

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

200102122111020 is a wasteful number, since it uses less digits than its factorization.

200102122111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90136091090 (or 90136091088 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200102122111020 its reverse (20111221201002), we get a palindrome (220213343312022).

The spelling of 200102122111020 in words is "two hundred trillion, one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, twenty".