1011002120988 has 48 divisors (see below), whose sum is σ = 2461651745280. Its totient is φ = 322337847744.

The previous prime is 1011002120927. The next prime is 1011002121029. The reversal of 1011002120988 is 8890212001101.

1011002120988 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 super-2 number, since 2×1011002120988² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 16307433 + ... + 16369311.

It is an arithmetic number, because the mean of its divisors is an integer number (51284411360).

Almost surely, 2^{1011002120988} is an apocalyptic number.

It is an amenable number.

1011002120988 is an abundant number, since it is smaller than the sum of its proper divisors (1450649624292).

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

1011002120988 is a wasteful number, since it uses less digits than its factorization.

1011002120988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121106 (or 121104 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 33.

The spelling of 1011002120988 in words is "one trillion, eleven billion, two million, one hundred twenty thousand, nine hundred eighty-eight".