1011201021002 has 16 divisors (see below), whose sum is σ = 1553746803840. Its totient is φ = 493310735232.

The previous prime is 1011201021001. The next prime is 1011201021007. The reversal of 1011201021002 is 2001201021101.

It is a super-3 number, since 3×1011201021002³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011201021001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6248498 + ... + 6408285.

It is an arithmetic number, because the mean of its divisors is an integer number (97109175240).

Almost surely, 2^{1011201021002} is an apocalyptic number.

1011201021002 is a deficient number, since it is larger than the sum of its proper divisors (542545782838).

1011201021002 is a wasteful number, since it uses less digits than its factorization.

1011201021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12657757.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011201021002 its reverse (2001201021101), we get a palindrome (3012402042103).

Subtracting 1011201021002 from its reverse (2001201021101), we obtain a palindrome (990000000099).

The spelling of 1011201021002 in words is "one trillion, eleven billion, two hundred one million, twenty-one thousand, two".