1021121200230 has 48 divisors (see below), whose sum is σ = 2538111545424. Its totient is φ = 262909360000.

The previous prime is 1021121200181. The next prime is 1021121200241. The reversal of 1021121200230 is 320021211201.

1021121200230 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20211021 + ... + 20261480.

It is an arithmetic number, because the mean of its divisors is an integer number (52877323863).

Almost surely, 2^{1021121200230} is an apocalyptic number.

1021121200230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021121200230 is an abundant number, since it is smaller than the sum of its proper divisors (1516990345194).

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

1021121200230 is a wasteful number, since it uses less digits than its factorization.

1021121200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40472569 (or 40472540 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1021121200230 its reverse (320021211201), we get a palindrome (1341142411431).

The spelling of 1021121200230 in words is "one trillion, twenty-one billion, one hundred twenty-one million, two hundred thousand, two hundred thirty".