101220212110010 has 48 divisors (see below), whose sum is σ = 212112421065000. Its totient is φ = 34676287027200.

The previous prime is 101220212110007. The next prime is 101220212110019. The reversal of 101220212110010 is 10011212022101.

It can be written as a sum of positive squares in 4 ways, for example, as 99660868014841 + 1559344095169 = 9983029^2 + 1248737^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (101220212110019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82082891 + ... + 83306910.

Almost surely, 2^{101220212110010} is an apocalyptic number.

101220212110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101220212110010 is an abundant number, since it is smaller than the sum of its proper divisors (110892208954990).

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

101220212110010 is a wasteful number, since it uses less digits than its factorization.

101220212110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165391071 (or 165391064 counting only the distinct ones).

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

Adding to 101220212110010 its reverse (10011212022101), we get a palindrome (111231424132111).

The spelling of 101220212110010 in words is "one hundred one trillion, two hundred twenty billion, two hundred twelve million, one hundred ten thousand, ten".