2002120011078 has 32 divisors (see below), whose sum is σ = 4382490752640. Its totient is φ = 604726796160.

The previous prime is 2002120011077. The next prime is 2002120011091. The reversal of 2002120011078 is 8701100212002.

It is a super-6 number, since 6×2002120011078⁶ (a number of 75 digits) contains 666666 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002120011077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49385523 + ... + 49426046.

It is an arithmetic number, because the mean of its divisors is an integer number (136952836020).

Almost surely, 2^{2002120011078} is an apocalyptic number.

2002120011078 is an abundant number, since it is smaller than the sum of its proper divisors (2380370741562).

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

2002120011078 is a wasteful number, since it uses less digits than its factorization.

2002120011078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98811892.

The product of its (nonzero) digits is 448, while the sum is 24.

The spelling of 2002120011078 in words is "two trillion, two billion, one hundred twenty million, eleven thousand, seventy-eight".