1010021110120 has 32 divisors (see below), whose sum is σ = 2479142725920. Its totient is φ = 367280403520.

The previous prime is 1010021110069. The next prime is 1010021110121. The reversal of 1010021110120 is 210111200101.

1010021110120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1010021110097 and 1010021110106.

It is not an unprimeable number, because it can be changed into a prime (1010021110121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147750822 + ... + 1147751701.

It is an arithmetic number, because the mean of its divisors is an integer number (77473210185).

Almost surely, 2^{1010021110120} is an apocalyptic number.

1010021110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010021110120 is an abundant number, since it is smaller than the sum of its proper divisors (1469121615800).

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

1010021110120 is a wasteful number, since it uses less digits than its factorization.

1010021110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295502545 (or 2295502541 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1010021110120 its reverse (210111200101), we get a palindrome (1220132310221).

The spelling of 1010021110120 in words is "one trillion, ten billion, twenty-one million, one hundred ten thousand, one hundred twenty".