101020121002000 has 320 divisors, whose sum is σ = 260265703785984. Its totient is φ = 37843275571200.

The previous prime is 101020121001973. The next prime is 101020121002039. The reversal of 101020121002000 is 200121020101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 459936207 + ... + 460155793.

Almost surely, 2^{101020121002000} is an apocalyptic number.

101020121002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101020121002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130132851892992).

101020121002000 is an abundant number, since it is smaller than the sum of its proper divisors (159245582783984).

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

101020121002000 is a wasteful number, since it uses less digits than its factorization.

101020121002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219843 (or 219827 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101020121002000 its reverse (200121020101), we get a palindrome (101220242022101).

The spelling of 101020121002000 in words is "one hundred one trillion, twenty billion, one hundred twenty-one million, two thousand".