10121023213020 has 36 divisors (see below), whose sum is σ = 30700437080040. Its totient is φ = 2698939523424.

The previous prime is 10121023212977. The next prime is 10121023213027. The reversal of 10121023213020 is 2031232012101.

10121023213020 is a `hidden beast` number, since 10 + 121 + 0 + 232 + 1 + 302 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10121023213020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10121023212984 and 10121023213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121023213027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28113953190 + ... + 28113953549.

It is an arithmetic number, because the mean of its divisors is an integer number (852789918890).

Almost surely, 2^{10121023213020} is an apocalyptic number.

10121023213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121023213020 is an abundant number, since it is smaller than the sum of its proper divisors (20579413867020).

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

10121023213020 is a wasteful number, since it uses less digits than its factorization.

10121023213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56227906754 (or 56227906749 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10121023213020 its reverse (2031232012101), we get a palindrome (12152255225121).

The spelling of 10121023213020 in words is "ten trillion, one hundred twenty-one billion, twenty-three million, two hundred thirteen thousand, twenty".