101111122002020 has 48 divisors (see below), whose sum is σ = 228667716641280. Its totient is φ = 37333169951616.

The previous prime is 101111122002019. The next prime is 101111122002029. The reversal of 101111122002020 is 20200221111101.

It is a junction number, because it is equal to n+sod(n) for n = 101111122001986 and 101111122002004.

It is not an unprimeable number, because it can be changed into a prime (101111122002029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67520561 + ... + 69001799.

It is an arithmetic number, because the mean of its divisors is an integer number (4763910763360).

Almost surely, 2^{101111122002020} is an apocalyptic number.

101111122002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111122002020 is an abundant number, since it is smaller than the sum of its proper divisors (127556594639260).

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

101111122002020 is a wasteful number, since it uses less digits than its factorization.

101111122002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743804 (or 1743802 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101111122002020 its reverse (20200221111101), we get a palindrome (121311343113121).

The spelling of 101111122002020 in words is "one hundred one trillion, one hundred eleven billion, one hundred twenty-two million, two thousand, twenty".