101202001121220 has 48 divisors (see below), whose sum is σ = 283445492543808. Its totient is φ = 26979591784320.

The previous prime is 101202001121213. The next prime is 101202001121231. The reversal of 101202001121220 is 22121100202101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101202001121220.

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, 237551491 + ... + 237977130.

It is an arithmetic number, because the mean of its divisors is an integer number (5905114427996).

Almost surely, 2^{101202001121220} is an apocalyptic number.

101202001121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101202001121220 is an abundant number, since it is smaller than the sum of its proper divisors (182243491422588).

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

101202001121220 is a wasteful number, since it uses less digits than its factorization.

101202001121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475532180 (or 475532178 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101202001121220 its reverse (22121100202101), we get a palindrome (123323101323321).

The spelling of 101202001121220 in words is "one hundred one trillion, two hundred two billion, one million, one hundred twenty-one thousand, two hundred twenty".