201002021101020 has 96 divisors (see below), whose sum is σ = 621821086322688. Its totient is φ = 48254193636352.

The previous prime is 201002021101001. The next prime is 201002021101033. The reversal of 201002021101020 is 20101120200102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201002021100987 and 201002021101005.

It is a congruent number.

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, 4283907084 + ... + 4283954003.

It is an arithmetic number, because the mean of its divisors is an integer number (6477302982528).

Almost surely, 2^{201002021101020} is an apocalyptic number.

201002021101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002021101020 is an abundant number, since it is smaller than the sum of its proper divisors (420819065221668).

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

201002021101020 is a wasteful number, since it uses less digits than its factorization.

201002021101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567861139 (or 8567861137 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201002021101020 its reverse (20101120200102), we get a palindrome (221103141301122).

The spelling of 201002021101020 in words is "two hundred one trillion, two billion, twenty-one million, one hundred one thousand, twenty".