102201001120020 has 96 divisors (see below), whose sum is σ = 320614836022656. Its totient is φ = 24106378636800.

The previous prime is 102201001120013. The next prime is 102201001120027. The reversal of 102201001120020 is 20021100102201.

It is an interprime number because it is at equal distance from previous prime (102201001120013) and next prime (102201001120027).

It is a super-3 number, since 3×102201001120020³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 102201001119978 and 102201001120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201001120027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2092543171 + ... + 2092592010.

It is an arithmetic number, because the mean of its divisors is an integer number (3339737875236).

Almost surely, 2^{102201001120020} is an apocalyptic number.

102201001120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102201001120020 is an abundant number, since it is smaller than the sum of its proper divisors (218413834902636).

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

102201001120020 is a wasteful number, since it uses less digits than its factorization.

102201001120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185135241 (or 4185135239 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102201001120020 its reverse (20021100102201), we get a palindrome (122222101222221).

The spelling of 102201001120020 in words is "one hundred two trillion, two hundred one billion, one million, one hundred twenty thousand, twenty".