10111011201020 has 48 divisors (see below), whose sum is σ = 21290427093600. Its totient is φ = 4033494528000.

The previous prime is 10111011200999. The next prime is 10111011201077. The reversal of 10111011201020 is 2010211011101.

It is a junction number, because it is equal to n+sod(n) for n = 10111011200992 and 10111011201010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32573711 + ... + 32882649.

It is an arithmetic number, because the mean of its divisors is an integer number (443550564450).

Almost surely, 2^{10111011201020} is an apocalyptic number.

10111011201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111011201020 is an abundant number, since it is smaller than the sum of its proper divisors (11179415892580).

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

10111011201020 is a wasteful number, since it uses less digits than its factorization.

10111011201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313358 (or 313356 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10111011201020 its reverse (2010211011101), we get a palindrome (12121222212121).

The spelling of 10111011201020 in words is "ten trillion, one hundred eleven billion, eleven million, two hundred one thousand, twenty".