1020121000010 has 32 divisors (see below), whose sum is σ = 2098667601792. Its totient is φ = 349733609280.

The previous prime is 1020120999983. The next prime is 1020121000051. The reversal of 1020121000010 is 100001210201.

1020121000010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1020121000010² (a number of 25 digits) contains 22 as substring.

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, 670589 + ... + 1577951.

It is an arithmetic number, because the mean of its divisors is an integer number (65583362556).

Almost surely, 2^{1020121000010} is an apocalyptic number.

1020121000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020121000010 is an abundant number, since it is smaller than the sum of its proper divisors (1078546601782).

1020121000010 is a wasteful number, since it uses less digits than its factorization.

1020121000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923438.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1020121000010 its reverse (100001210201), we get a palindrome (1120122210211).

The spelling of 1020121000010 in words is "one trillion, twenty billion, one hundred twenty-one million, ten", and thus it is an aban number.