10111010102020 has 12 divisors (see below), whose sum is σ = 21233121214284. Its totient is φ = 4044404040800.

The previous prime is 10111010101991. The next prime is 10111010102051. The reversal of 10111010102020 is 2020101011101.

It can be written as a sum of positive squares in 2 ways, for example, as 4791685976064 + 5319324125956 = 2188992^2 + 2306366^2 .

It is a super-3 number, since 3×10111010102020³ (a number of 40 digits) contains 333 as substring.

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 = 10111010101988 and 10111010102006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252775252531 + ... + 252775252570.

It is an arithmetic number, because the mean of its divisors is an integer number (1769426767857).

Almost surely, 2^{10111010102020} is an apocalyptic number.

10111010102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111010102020 is an abundant number, since it is smaller than the sum of its proper divisors (11122111112264).

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

10111010102020 is a wasteful number, since it uses less digits than its factorization.

10111010102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505550505110 (or 505550505108 counting only the distinct ones).

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

Adding to 10111010102020 its reverse (2020101011101), we get a palindrome (12131111113121).

The spelling of 10111010102020 in words is "ten trillion, one hundred eleven billion, ten million, one hundred two thousand, twenty".