101212210110020 has 48 divisors (see below), whose sum is σ = 217491553392960. Its totient is φ = 39542831427456.

The previous prime is 101212210110013. The next prime is 101212210110031. The reversal of 101212210110020 is 20011012212101.

It is a super-2 number, since 2×101212210110020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101212210109977 and 101212210110004.

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, 64875491 + ... + 66417269.

It is an arithmetic number, because the mean of its divisors is an integer number (4531074029020).

Almost surely, 2^{101212210110020} is an apocalyptic number.

101212210110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212210110020 is an abundant number, since it is smaller than the sum of its proper divisors (116279343282940).

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

101212210110020 is a wasteful number, since it uses less digits than its factorization.

101212210110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618164 (or 1618162 counting only the distinct ones).

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

Adding to 101212210110020 its reverse (20011012212101), we get a palindrome (121223222322121).

The spelling of 101212210110020 in words is "one hundred one trillion, two hundred twelve billion, two hundred ten million, one hundred ten thousand, twenty".