10020121100120 has 32 divisors (see below), whose sum is σ = 23024959128000. Its totient is φ = 3922770812928.

The previous prime is 10020121100113. The next prime is 10020121100147. The reversal of 10020121100120 is 2100112102001.

It is a super-2 number, since 2×10020121100120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 2664923945 + ... + 2664927704.

It is an arithmetic number, because the mean of its divisors is an integer number (719529972750).

Almost surely, 2^{10020121100120} is an apocalyptic number.

10020121100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020121100120 is an abundant number, since it is smaller than the sum of its proper divisors (13004838027880).

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

10020121100120 is a wasteful number, since it uses less digits than its factorization.

10020121100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329851707 (or 5329851703 counting only the distinct ones).

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

Adding to 10020121100120 its reverse (2100112102001), we get a palindrome (12120233202121).

The spelling of 10020121100120 in words is "ten trillion, twenty billion, one hundred twenty-one million, one hundred thousand, one hundred twenty".