121120202010200 has 48 divisors (see below), whose sum is σ = 281605319517480. Its totient is φ = 48447934594560.

The previous prime is 121120202010131. The next prime is 121120202010209. The reversal of 121120202010200 is 2010202021121.

It is a super-2 number, since 2×121120202010200² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120202010209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86264192 + ... + 87657008.

Almost surely, 2^{121120202010200} is an apocalyptic number.

121120202010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120202010200 is an abundant number, since it is smaller than the sum of its proper divisors (160485117507280).

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

121120202010200 is a wasteful number, since it uses less digits than its factorization.

121120202010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827636 (or 1827627 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121120202010200 its reverse (2010202021121), we get a palindrome (123130404031321).

The spelling of 121120202010200 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred two million, ten thousand, two hundred".